Indicate the appropriateness of the subject for a research paper by choosing appropriate or not appropriate. If the subject is not appropriate, select the reason why. If the subject is appropriate, select "appropriate, no reason needed."

Proper equipment for scuba diving.

Reason:

Question

Indicate the appropriateness of the subject for a research paper by choosing appropriate or not appropriate. If the subject is not appropriate, select the reason why. If the subject is appropriate, select "appropriate, no reason needed."

Proper equipment for scuba diving.

Reason:

Vocaloid · Answer

here are the list of potential reasons why the topic might not be appropriate: 
biographical
personal experience
persuasive rather than research oriented
appropriate, no reason needed

so with that being said, which category do you think "Proper equipment for scuba diving." might fall into?